90291680

素因数分解:

$2^5\times 5^1\times {\mathrm{564323}}^1$

素因数の和:564338

約数の個数: 24

約数和(自身を含む): 213314472

約数和(自身を除く): 123022792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 564323, 1128646, 2257292, 2821615, 4514584, 5643230, 9029168, 11286460, 18058336, 22572920, 45145840, 90291680]

約数ペア:

[(1, 90291680), (2, 45145840), (4, 22572920), (5, 18058336), (8, 11286460), (10, 9029168), (16, 5643230), (20, 4514584), (32, 2821615), (40, 2257292), (80, 1128646), (160, 564323)]